import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '../components/Login.vue'
import Home from '../components/Home.vue'
import Welcome from '../components/Welcome.vue'
import Users from '../components/user/Users.vue'
import Rights from '../components/power/Rights.vue'
import Roles from '../components/power/Roles.vue'
import Categories from '../components/goods/Cate.vue'
import Params from '../components/goods/Params.vue'
import List from '../components/goods/List.vue'
import Add from '../components/goods/Add.vue'
import Order from '../components/order/Order.vue'
import Report from '../components/report/Report.vue'

Vue.use(VueRouter)

const routes = [
  {
    path:"/",
    redirect:"/login"
  },
  {
    path: '/login',
    component: Login
  },
  {
    path: '/home',
    component: Home,
    redirect: "/welcome",
    children: [
      {
        path: "/welcome",
        component: Welcome
      },
      {
        path: "/users",
        component: Users
      },
      {
        path: "/rights",
        component: Rights
      },
      {
        path: "/roles",
        component: Roles
      },
      {
        path: "/categories",
        component: Categories
      },
      {
        path: "/params",
        component: Params
      },
      {
        path: "/goods",
        component: List
      },
      {
        path: "/goods/add",
        component: Add
      },
      {
        path: "/orders",
        component: Order
      },
      {
        path: "/reports",
        component: Report
      },
    ]
  },
]


const router = new VueRouter({
  routes
})

//路由导航守卫控制访问权限
router.beforeEach((to, from, next) => {
  //to 将要访问的路径
  //from代表从哪个路径跳转而来的
  //next 是一个函数 表示放行 
  // next()  next('/login')
  if (to.path === "/login") return next()
  //获取token
  const tokenStr = window.sessionStorage.getItem("token")
  if(!tokenStr){
    next("/login")
  }else{
    next()
  }
})


export default router
